# For more information about using CMake with Android Studio, read the
# documentation: https://d.android.com/studio/projects/add-native-code.html

# Sets the minimum version of CMake required to build the native library.

cmake_minimum_required(VERSION 3.10.2)

# Declares and names the project.

set(project_name native-lib)
project(${project_name})

set(source_dir ${CMAKE_CURRENT_SOURCE_DIR})

set(headers
        ${source_dir}/pnginfo.h
        ${source_dir}/config.h
        ${source_dir}/png.h
        ${source_dir}/pngconf.h
        ${source_dir}/pngdebug.h
        ${source_dir}/pnglibconf.h
        ${source_dir}/pngprefix.h
        ${source_dir}/pngpriv.h
        ${source_dir}/pngstruct.h
        ${source_dir}/log.h
        )

set(sources
        ${source_dir}/arm/arm_init.c
        ${source_dir}/arm/filter_neon.S
        ${source_dir}/arm/filter_neon_intrinsics.c
        ${source_dir}/png.c
        ${source_dir}/pngerror.c
        ${source_dir}/pngget.c
        ${source_dir}/pngmem.c
        ${source_dir}/pngpread.c
        ${source_dir}/pngread.c
        ${source_dir}/pngrio.c
        ${source_dir}/pngrtran.c
        ${source_dir}/pngrutil.c
        ${source_dir}/pngset.c
        ${source_dir}/pngtest.c
        ${source_dir}/pngtrans.c
        ${source_dir}/pngwio.c
        ${source_dir}/pngwrite.c
        ${source_dir}/pngwtran.c
        ${source_dir}/pngwutil.c
        )

# Creates and names a library, sets it as either STATIC
# or SHARED, and provides the relative paths to its source code.
# You can define multiple libraries, and CMake builds them for you.
# Gradle automatically packages shared libraries with your APK.
MESSAGE("***************** ${project_name} ****************")
add_library( # Sets the name of the library.
        ${project_name}

        # Sets the library as a shared library.
        SHARED
                ${sources}
                ${headers}
        log.h

        # Provides a relative path to your source file(s).
        native-lib.cpp)

# Searches for a specified prebuilt library and stores the path as a
# variable. Because CMake includes system libraries in the search path by
# default, you only need to specify the name of the public NDK library
# you want to add. CMake verifies that the library exists before
# completing its build.

#find_package(zlib REQUIRED)


#target_include_directories(${project_name} PUBLIC
#        $<BUILD_INTERFACE:${source_dir}>
#        $<INSTALL_INTERFACE:include>
#        )

find_library( # Sets the name of the path variable.
        log-lib

        # Specifies the name of the NDK library that
        # you want CMake to locate.
        log)

find_library(
        z-lib
        z
)

find_library(
        graphics-lib
        jnigraphics
)

# Specifies libraries CMake should link to your target library. You
# can link multiple libraries, such as libraries you define in this
# build script, prebuilt third-party libraries, or system libraries.

target_link_libraries( # Specifies the target library.
        ${project_name}

        PUBLIC

        ${graphics-lib}
        ${z-lib}
        # Links the target library to the log library
        # included in the NDK.
        ${log-lib})